EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:31971 - pemirolast potassium

Default Structure
ChEBI IDCHEBI:31971
ChEBI Namepemirolast potassium
Stars
DefinitionThe organic potassium salt of pemirolast. It is a mast cell stabilizer used for the treatment of allergic conjunctivitis.
Last Modified19 August 2026
DownloadsMolfile
FormulaC10H7N6O.K
Net Charge0
Average Mass266.305
Monoisotopic Mass266.03184
SMILESCc1cccn2c(=O)c(-c3nnn[n-]3)cnc12.[K+]
InChIInChI=1S/C10H7N6O.K/c1-6-3-2-4-16-9(6)11-5-7(10(16)17)8-12-14-15-13-8;/h2-5H,1H3;/q-1;+1
InChIKeyNMMVKSMGBDRONO-UHFFFAOYSA-N
Roles Classification
Application:
anti-allergic agent  A drug used to treat allergic reactions.
ChEBI Ontology
Outgoing Relation(s)
pemirolast potassium (CHEBI:31971) has part pemirolast(1-) (CHEBI:760767)
pemirolast potassium (CHEBI:31971) has role anti-allergic agent (CHEBI:50857)
pemirolast potassium (CHEBI:31971) is a organic potassium salt (CHEBI:50394)
IUPAC Name 
potassium 5-(9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)tetrazol-1-ide
Synonyms  Source
BMY 26517ChEBI
BMY-26517ChEBI
BMY26517ChEBI
pemirolast (potassium)ChEBI
pemirolast potassium saltCAS
potassium 9-methyl-3-(2,3,4-triaza-1-azanidacyclopenta-2,4-dien-5-yl)pyrido[2,1-b]pyrimidin-4-oneCAS
Brand Names  Source
AlamastKEGG DRUG
AlegysalKEGG DRUG
PemilastonKEGG DRUG
Manual XrefsDatabases
D01088KEGG DRUG
DBSALT000925DrugBank Salts
Registry NumbersSources
CAS:100299-08-9CAS
Citations